JPS52142885A - Device for measuring blood flow of retina - Google Patents

Device for measuring blood flow of retina

Info

Publication number
JPS52142885A
JPS52142885A JP3623677A JP3623677A JPS52142885A JP S52142885 A JPS52142885 A JP S52142885A JP 3623677 A JP3623677 A JP 3623677A JP 3623677 A JP3623677 A JP 3623677A JP S52142885 A JPS52142885 A JP S52142885A
Authority
JP
Japan
Prior art keywords
retina
blood flow
measuring blood
measuring
flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3623677A
Other languages
Japanese (ja)
Inventor
Roi Paiku Edouado
Uiriamu Hiru Deibuido
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of JPS52142885A publication Critical patent/JPS52142885A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/661—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A61B3/1225—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation
    • A61B3/1233—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation for measuring blood flow, e.g. at the retina
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
JP3623677A 1976-04-01 1977-04-01 Device for measuring blood flow of retina Pending JPS52142885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13132/76A GB1564315A (en) 1976-04-01 1976-04-01 Method and apparatus for measuring retinal blood flow

Publications (1)

Publication Number Publication Date
JPS52142885A true JPS52142885A (en) 1977-11-29

Family

ID=10017418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3623677A Pending JPS52142885A (en) 1976-04-01 1977-04-01 Device for measuring blood flow of retina

Country Status (4)

Country Link
US (1) US4166695A (en)
JP (1) JPS52142885A (en)
DE (1) DE2714748A1 (en)
GB (1) GB1564315A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5575668A (en) * 1978-12-01 1980-06-07 Tokyo Optical Co Ltd Measurement unit for mobile speed of moving particle
JPS5575670A (en) * 1978-12-01 1980-06-07 Tokyo Optical Co Ltd Measurement unit for mobile speed for moving particle
JPS5575669A (en) * 1978-12-01 1980-06-07 Tokyo Optical Co Ltd Measurement unit for mobile speed for moving particle
JPS61102561A (en) * 1984-10-25 1986-05-21 Natl Aerospace Lab Polarization separation type laser speedometer

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55133239A (en) * 1979-04-05 1980-10-16 Olympus Optical Co Microscope for blood vessel
US4346991A (en) * 1979-10-31 1982-08-31 National Research Development Corporation Method and apparatus for measuring retinal blood flow
US4402601A (en) * 1980-12-31 1983-09-06 Riva Charles E Fundus camera-based retinal laser doppler velocimeter
US4476878A (en) * 1981-09-29 1984-10-16 Riva Charles E Blood velocity measurement in retinal capillaries utilizing the blue field entoptic phenomenon
FR2531854A1 (en) * 1982-08-23 1984-02-24 Cird Non-invasive instrument for measuring the mean rate of blood flow in living tissue
US4620318A (en) * 1983-04-18 1986-10-28 Eye-D Development Ii Ltd. Fovea-centered eye fundus scanner
DE3319203C2 (en) * 1983-05-27 1986-03-27 Fa. Carl Zeiss, 7920 Heidenheim Device for dose measurement during photocoagulation
US5139025A (en) * 1983-10-14 1992-08-18 Somanetics Corporation Method and apparatus for in vivo optical spectroscopic examination
US4570638A (en) * 1983-10-14 1986-02-18 Somanetics Corporation Method and apparatus for spectral transmissibility examination and analysis
US5140989A (en) * 1983-10-14 1992-08-25 Somanetics Corporation Examination instrument for optical-response diagnostic apparatus
US4817623A (en) 1983-10-14 1989-04-04 Somanetics Corporation Method and apparatus for interpreting optical response data
JPS63238843A (en) * 1987-03-27 1988-10-04 興和株式会社 Ophthalmic diagnostic method and apparatus
DE3885341T2 (en) * 1987-05-20 1994-02-24 Kowa Co Device for diagnosing eye disorders.
US4883061A (en) * 1988-02-29 1989-11-28 The Board Of Trustees Of The University Of Illinois Method and apparatus for measuring the thickness of eye components
US4934370A (en) * 1988-09-09 1990-06-19 Allergan Humphrey Pinhole focused optics for locating visual axis of the eye for ultrasonic interior measurement
EP0389120B1 (en) * 1989-03-06 1995-01-18 Kowa Company Ltd. Ophthalmological diagnosis method
GB8907101D0 (en) * 1989-03-29 1989-05-10 Nat Res Dev Blood flow determination
GB8909491D0 (en) * 1989-04-26 1989-06-14 Glynn Christopher J Device for real-time monitoring of human or animal bodily functions
US5031632A (en) * 1989-08-10 1991-07-16 Tsuyoshi Watanabe Method for the instrumentation of sizes of retinal vessels in the fundus and apparatus therefor
JP2813899B2 (en) * 1989-09-26 1998-10-22 仁 藤居 Ophthalmic measurement device
US5016643A (en) * 1990-05-02 1991-05-21 Board Of Regents, The University Of Texas System Vascular entoptoscope
US5119814A (en) * 1990-07-25 1992-06-09 Minnich Thomas E Method and apparatus for monitoring blood loss via retinal venous oxygen saturation
US5186173A (en) * 1990-08-14 1993-02-16 Drexel University Method for in vivo measurement of oxygen concentration levels
US5308919A (en) * 1992-04-27 1994-05-03 Minnich Thomas E Method and apparatus for monitoring the arteriovenous oxygen difference from the ocular fundus
US5486188A (en) * 1993-11-15 1996-01-23 Smith; Alan D. Keratoscopic surgical instrument for making radial and arcuate corneal incisions
US5640963A (en) * 1993-12-03 1997-06-24 Canon Kabushiki Kaisha Eye fundus blood flow meter
US5601611A (en) * 1994-08-05 1997-02-11 Ventritex, Inc. Optical blood flow measurement apparatus and method and implantable defibrillator incorporating same
US5501226A (en) * 1994-10-19 1996-03-26 Carl Zeiss, Inc. Short coherence length, doppler velocimetry system
US6304372B1 (en) * 1995-05-17 2001-10-16 Leica Microsystems Ag Microscope including a fade-in element and related method of using a microscope
US5995856A (en) * 1995-11-22 1999-11-30 Nellcor, Incorporated Non-contact optical monitoring of physiological parameters
US5900928A (en) * 1996-07-30 1999-05-04 Institut De Recherche En Ophtalmologie Confocal bidirectional laser doppler velocimetry
US5935076A (en) * 1997-02-10 1999-08-10 University Of Alabama In Huntsville Method and apparatus for accurately measuring the transmittance of blood within a retinal vessel
US5776060A (en) * 1997-02-20 1998-07-07 University Of Alabama In Huntsville Method and apparatus for measuring blood oxygen saturation within a retinal vessel with light having several selected wavelengths
US7128714B1 (en) 2003-12-24 2006-10-31 The United States Of America As Represented By The Secretary Of The Navy Non-contact waveform monitor
US8190228B2 (en) * 2006-12-20 2012-05-29 Petrig Benno L Doppler velocimetry of retinal vessels and application to retinal vessel oximetry
US20090141237A1 (en) * 2007-11-02 2009-06-04 Bioptigen, Inc. Integrated Optical Coherence Imaging Systems for Use in Ophthalmic Applications and Related Methods and Computer Program Products
US8452362B2 (en) * 2010-01-26 2013-05-28 Chromologic Llc Method and system for monitoring hydration
US8380270B2 (en) * 2010-01-26 2013-02-19 Chromologic Llc Non-invasive ocular monitoring
US20140132957A1 (en) * 2010-07-09 2014-05-15 Methode Electronics, Inc. Optical measurement of an analyte
US20120057172A1 (en) * 2010-09-08 2012-03-08 Andrei Brunfeld Optical measuring system with illumination provided through a void in a collecting lens
US8711336B1 (en) 2012-11-01 2014-04-29 National Security Technologies, Llc Multipoint photonic doppler velocimetry using optical lens elements
US9121861B2 (en) 2013-03-15 2015-09-01 National Security Technologies, Llc Photonic Doppler velocimetry lens array probe incorporating stereo imaging
US10408676B2 (en) 2015-10-01 2019-09-10 Mission Support and Test Services, LLC Long-pulse-width variable-wavelength chirped pulse generator and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137756A (en) * 1957-10-31 1964-06-16 Zeiss Carl Device for determining the dimensions of an object
GB1045868A (en) * 1964-07-16 1966-10-19 Int Research & Dev Co Ltd Improvements in and relating to ophthalmoscopes
US3373441A (en) * 1966-06-17 1968-03-12 Ernest A. Zadig Laser speed detector
AU409380B2 (en) * 1966-12-06 1971-01-07 Improvements in or relating to optical mixing devices
US3511227A (en) * 1967-02-27 1970-05-12 Univ Utah Measurement of blood flow using coherent radiation and doppler effect
US3487835A (en) * 1968-07-05 1970-01-06 American Optical Corp Surgical laser photo-coagulation device
CH516800A (en) * 1970-05-29 1971-12-15 Bbc Brown Boveri & Cie Method for measuring the speed in flow fields by means of a laser Doppler probe that evaluates light scattered backwards
GB1383158A (en) * 1973-03-26 1975-02-05 American Optical Corp Tonometers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5575668A (en) * 1978-12-01 1980-06-07 Tokyo Optical Co Ltd Measurement unit for mobile speed of moving particle
JPS5575670A (en) * 1978-12-01 1980-06-07 Tokyo Optical Co Ltd Measurement unit for mobile speed for moving particle
JPS5575669A (en) * 1978-12-01 1980-06-07 Tokyo Optical Co Ltd Measurement unit for mobile speed for moving particle
JPH0126697B2 (en) * 1978-12-01 1989-05-25 Tokyo Optical
JPS61102561A (en) * 1984-10-25 1986-05-21 Natl Aerospace Lab Polarization separation type laser speedometer
JPH0327070B2 (en) * 1984-10-25 1991-04-12 Kagaku Gijutsucho Koku Uchu Gijutsu Kenkyushocho

Also Published As

Publication number Publication date
DE2714748A1 (en) 1977-10-13
US4166695A (en) 1979-09-04
GB1564315A (en) 1980-04-10

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